CN102879659B - Surface contact type thermoelectric measuring instrument - Google Patents
Surface contact type thermoelectric measuring instrument Download PDFInfo
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- CN102879659B CN102879659B CN201210351590.3A CN201210351590A CN102879659B CN 102879659 B CN102879659 B CN 102879659B CN 201210351590 A CN201210351590 A CN 201210351590A CN 102879659 B CN102879659 B CN 102879659B
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- closed container
- contact type
- type thermoelectric
- upper fixture
- mounting plate
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Abstract
The invention discloses a surface contact type thermoelectric measuring instrument, which comprises a closed container, a power device, an upper clamp, a lower clamp, a supporting frame, an electronic scale, a faraday cage and an electrometer, wherein an air inlet valve and an exhaust valve are respectively arranged on two sides of the outer wall of the closed container, a shielding net is stuck to the inner wall of the closed container, a door is arranged on the front side of the closed container, and a base is arranged at the bottom inside the closed container; the supporting frame and the electronic scale are arranged on the base; the power device and the upper clamp are sequentially mounted on the supporting frame, and are connected; the faraday cage is arranged on the electronic scale; the lower clamp is mounted inside the faraday cage; and the faraday cage is connected with the electrometer. The surface contact type thermoelectric measuring instrument has the characteristics of high measuring accuracy and capabilities of simultaneously measuring and identifying thermoelectricity.
Description
Technical field
The invention belongs to surveying instrument field, particularly relate to charge measurement instrument.
Background technology
Insulating material contact electrification has been found that and have studied several thousand, but still has many underlying issues not solve so far.In the experimental study of insulating material contact electrification, the factor of various impact electrification is analyzed and researched, but wherein on research mainly hail and the snowflake etc. of temperature impact property.Whether temperature affects insulating material contact electrification, because the impact by surveying instrument is still come to nothing, so far because do not have the instrument that measuring tempeature affects contact electrification.The present invention is directed to a kind of measuring method of two pieces of insulating material contact zones electricity of different temperatures in a given environment, provide the measurement mechanism of different temperatures two insulating material contact zones electricity in given environment, this high precision electric charge measuring instrument resolution reaches 10
-3nC is that the observation of micro-electrical phenomena is laid a good foundation.
Summary of the invention
The technical problem to be solved in the present invention overcomes existing defect, provides that one can be measured, the high-precision face contact type thermoelectric measurement apparatus of identifiable design thermic electricity.
In order to solve the problems of the technologies described above, the invention provides following technical scheme:
Face contact type thermoelectric measurement apparatus, comprise closed container, propulsion system, upper fixture, lower clamp, bracing frame, electronic scales, Faraday cylinder, electrometer, described closed container outer wall both sides are respectively equipped with gas admittance valve and vent valve, described closed container inwall is bonded with gauze screen, described airtight container front is provided with door, described closed container inner bottom part is provided with base, described base is provided with bracing frame and electronic scales, support frame as described above is provided with successively propulsion system, upper fixture, is connected between described propulsion system with upper fixture; Described electronic scales is provided with Faraday cylinder, is provided with lower clamp in described Faraday cylinder, and described Faraday cylinder connects electrometer.
Described propulsion system, comprise motor, crank, angle scale, hinge, connecting rod, linear bearing, output shaft connecting crank one end of described motor and the angle scale perpendicular to output shaft, the described crank other end is connected with connecting rod, described connecting rod is connected with linear bearing, and described connecting rod center section is provided with hinge.
Support frame as described above, comprise four support bars, upper mounting plate, middle mounting plate, slide rail fixed mount and slide rail, mounting plate and the upper mounting plate moved up and down in connecting between four described support bars, described upper mounting plate is provided with motor, described middle mounting plate is fixed with slide rail fixed mount, described slide rail fixed mount is provided with two one slide rails, described in two, between slide rail, fixture is installed.
Described upper fixture is metal square, and described upper fixture is relative to the equal opening of front and back, and described upper fixture bottom surface half opening, is provided with intermediate plate in described upper fixture bottom surface, is provided with spring between described upper fixture and intermediate plate.
Described Faraday cylinder comprises urceolus, inner core, insulation spacer, has inner core in described urceolus, is separated between described urceolus and inner core by insulation spacer, described urceolus ground connection.
Described lower clamp comprises lower spring, and described lower spring one end is fixed on bottom Faraday cylinder inner core.
Compared with prior art, the present invention has following beneficial effect:
Good airproof performance of the present invention, measuring accuracy are high, and the different temperatures insulating material sample contacts realized under the artificial environment such as vacuum environment, controlled humidity plays electrical measurement.Contact force size can be measured.Regulate motor height can Quality control duration of contact.Two insulating material samples are all fixed by spring, can at utmost ensure that face contacts.
Accompanying drawing explanation
Fig. 1 is the front view of face contact type thermoelectric measurement apparatus of the present invention;
Fig. 2 is the side view of face contact type thermoelectric measurement apparatus of the present invention;
Fig. 3 is the schematic diagram of upper fixture of the present invention;
Fig. 4 is the schematic diagram of Faraday cylinder of the present invention and lower clamp.
Embodiment
Below in conjunction with accompanying drawing, the preferred embodiments of the present invention are described, should be appreciated that preferred embodiment described herein is only for instruction and explanation of the present invention, is not intended to limit the present invention.
As shown in Figure 1 and Figure 2, face contact type thermoelectric measurement apparatus, comprise closed container 2, bracing frame, propulsion system, upper fixture 14, lower clamp, electronic scales 19, Faraday cylinder 18, electrometer 23, gas admittance valve 1-1 and vent valve 1-2 is respectively equipped with in closed container 2 outer wall both sides, utilize closed container to provide vacuum environment, different humidity environment and artificial controllable environment, get rid of the interference of external electric field.Closed container 2 inwall is bonded with gauze screen 3, and gauze screen 3 is entanglement or wire gauze, and entanglement or wire gauze can shield external electric field.Closed container 1 front is provided with door, and closed container inner bottom part is provided with base 20, and closed container 2 main material is glass, through gluing processing and manufacturing.Base 20 is provided with bracing frame and electronic scales 19, bracing frame is provided with successively propulsion system, upper fixture 14, be connected between propulsion system with upper fixture 14; Electronic scales 19 is provided with Faraday cylinder 18, is provided with lower clamp in Faraday cylinder 18, and upper and lower fixture is used for fixing two pieces of insulating material samples 22 of different temperatures respectively, and Faraday cylinder 18 connects electrometer 23.Insulating material sample 22 is heated by temperature controller, then the sample of heating is installed on instrument and measures.Temperature controller is an autonomous device, is not connected with main instrument.
Above-mentioned propulsion system are toggles, comprise motor 10, crank 11, angle scale 9, hinge 8, connecting rod 7, linear bearing 13, output shaft connecting crank 11 one end of motor 10 and the angle scale 9 perpendicular to output shaft, for recording the corner of crank, thus record duration of contact.Crank 11 other end is connected with connecting rod 7 one end, connecting rod 7 center section is provided with hinge 8, and length is scalable.Connecting rod 7 is connected with linear bearing 13.Motor 10 is the AC gear motor of power 14W.Propulsion system make fixture 14 move back and forth and then to complete two sample contacts and to be separated.
Bracing frame comprises four support bars 4, upper mounting plate 5-1, middle mounting plate 5-2, slide rail fixed mount 12 and slide rail 6, mounting plate 5-2 and the upper mounting plate 5-1 moved up and down in connecting between four described support bars 4, upper mounting plate 5-1 is provided with motor 10, middle mounting plate 5-2 is fixed with slide rail fixed mount 12, slide rail fixed mount 12 is provided with two one slide rails 6, slide rail 6 is three joint slide rails, is provided with fixture 14 between two slide rails.
As shown in Figure 3, upper fixture 14 is metal square, the equal opening of front and back that upper fixture 14 is relative, upper fixture 14 bottom surface half opening, intermediate plate 16 is provided with in upper fixture 14 bottom surface, be provided with spring 15 between upper fixture 14 and intermediate plate 16, in utilization, spring force is clipped in insulating material sample 22 between upper fixture 14 bottom surface and intermediate plate 16, and the face that insulating material sample 22 outwards exposes is as surface of contact.
As shown in Figure 4, Faraday cylinder 18 comprises urceolus 18-1, inner core 18-2, insulation spacer 18-3, has inner core 18-2, separated between urceolus and inner core by insulation spacer in urceolus 18-1, and urceolus 18-1 is also provided with faraday's cover 21 to urceolus ground connection.Lower clamp comprises lower spring 17, and lower spring 17 one end is fixed on bottom Faraday cylinder inner core, and the other end is used for placing insulating material sample 22.
Opening gas admittance valve 1-1 allows protective gas be full of closed glass case, closes gas admittance valve 1-1.Starter motor 10 drives crank 11, the to-and-fro movement of connecting rod 7 mechanism, to complete with insulating material sample 22 in Faraday cylinder 18 contact when insulating material sample 22 arrives bottommost, and rise leave Faraday cylinder 18 after, close faraday's cover 21, just can read the sample quantity of electric charge in inner core 18-2 on electrometer 23, contact force can read from electronic scales 19.
The foregoing is only explanation embodiments of the present invention; be not limited to the present invention, for a person skilled in the art, within the spirit and principles in the present invention all; any amendment of doing, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (6)
1. face contact type thermoelectric measurement apparatus, comprise closed container, propulsion system, upper fixture, lower clamp, bracing frame, electronic scales, Faraday cylinder, electrometer, it is characterized in that: described closed container outer wall both sides are respectively equipped with gas admittance valve and vent valve, described closed container inwall is bonded with gauze screen, described closed container front is provided with door, described closed container inner bottom part is provided with base, described base is provided with bracing frame and electronic scales, support frame as described above is provided with successively propulsion system, upper fixture, is connected between described propulsion system with upper fixture; Described electronic scales is provided with Faraday cylinder, is provided with lower clamp in described Faraday cylinder, and described Faraday cylinder connects electrometer.
2. face contact type thermoelectric measurement apparatus as claimed in claim 1, it is characterized in that: described propulsion system, comprise motor, crank, angle scale, hinge, connecting rod, linear bearing, output shaft connecting crank one end of described motor and the angle scale perpendicular to output shaft, the described crank other end is connected with connecting rod, described connecting rod is connected with linear bearing, and described connecting rod center section is provided with hinge.
3. face contact type thermoelectric measurement apparatus as claimed in claim 1, it is characterized in that: support frame as described above, comprise four support bars, upper mounting plate, middle mounting plate, slide rail fixed mount and slide rail, mounting plate and the upper mounting plate moved up and down in connecting between four described support bars, described upper mounting plate is provided with motor, described middle mounting plate is fixed with slide rail fixed mount, described slide rail fixed mount is provided with two one slide rails, described in two, between slide rail, fixture is installed.
4. face contact type thermoelectric measurement apparatus as claimed in claim 1, it is characterized in that: described upper fixture is metal square, described upper fixture is relative to the equal opening of front and back, described upper fixture bottom surface half opening, be provided with intermediate plate in described upper fixture bottom surface, between described upper fixture and intermediate plate, spring be installed.
5. face contact type thermoelectric measurement apparatus as claimed in claim 1, is characterized in that: described Faraday cylinder comprises urceolus, inner core, insulation spacer, has inner core in described urceolus, separated between described urceolus and inner core by insulation spacer, described urceolus ground connection.
6. face contact type thermoelectric measurement apparatus as claimed in claim 1, it is characterized in that: described lower clamp comprises lower spring, described lower spring one end is fixed on bottom Faraday cylinder inner core.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210351590.3A CN102879659B (en) | 2012-09-20 | 2012-09-20 | Surface contact type thermoelectric measuring instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210351590.3A CN102879659B (en) | 2012-09-20 | 2012-09-20 | Surface contact type thermoelectric measuring instrument |
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| CN102879659A CN102879659A (en) | 2013-01-16 |
| CN102879659B true CN102879659B (en) | 2015-04-22 |
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| CN201210351590.3A Expired - Fee Related CN102879659B (en) | 2012-09-20 | 2012-09-20 | Surface contact type thermoelectric measuring instrument |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104914236B (en) * | 2015-06-23 | 2018-05-15 | 晋中市纺织机械产品质量监督检验中心 | Portable fixed space biology and chemical experiment chamber |
| CN109116127A (en) * | 2018-09-07 | 2019-01-01 | 合肥依科普工业设备有限公司 | It separate electrostatic electrification experimental provision |
| CN111198306B (en) * | 2020-02-07 | 2021-03-16 | 清华大学 | Solid-liquid friction electrification charge measuring device |
| CN111505400B (en) * | 2020-04-29 | 2022-09-13 | 中煤科工集团重庆研究院有限公司 | Testing method for testing wall surface static electricity of dust-containing gas conveying pipeline |
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| SU1145306A1 (en) * | 1983-05-18 | 1985-03-15 | Институт Физики Ан Литсср | Device for measuring non-metal material electrization |
| CN201837687U (en) * | 2010-09-03 | 2011-05-18 | 兰州大学 | Two-particle-impact live line measurement device |
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| CN202230141U (en) * | 2011-07-19 | 2012-05-23 | 兰州大学 | Particle and particle flow friction belt electric quantity measuring device |
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| JP5189338B2 (en) * | 2007-09-27 | 2013-04-24 | ヤマハ発動機株式会社 | Method and apparatus for measuring static electricity of chip-type electronic components |
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2012
- 2012-09-20 CN CN201210351590.3A patent/CN102879659B/en not_active Expired - Fee Related
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| SU1145306A1 (en) * | 1983-05-18 | 1985-03-15 | Институт Физики Ан Литсср | Device for measuring non-metal material electrization |
| CN201837687U (en) * | 2010-09-03 | 2011-05-18 | 兰州大学 | Two-particle-impact live line measurement device |
| CN102279324A (en) * | 2011-07-19 | 2011-12-14 | 兰州大学 | Analysis meter for multiple factors of frictional electrification of grains |
| CN102360043A (en) * | 2011-07-19 | 2012-02-22 | 兰州大学 | Multifactor analyzer of carried charge of separated particle |
| CN202230141U (en) * | 2011-07-19 | 2012-05-23 | 兰州大学 | Particle and particle flow friction belt electric quantity measuring device |
| CN102608440A (en) * | 2012-03-12 | 2012-07-25 | 南京航空航天大学 | Electrostatic sensing experimental system and particle frictional charge measuring method |
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| CN102879659A (en) | 2013-01-16 |
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Granted publication date: 20150422 Termination date: 20180920 |